Q: Is 18,722 a Prime Number?
A: No, 18,722 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 18722 can be evenly divided by 1 2 11 22 23 37 46 74 253 407 506 814 851 1,702 9,361 and 18,722, with no remainder.
Since 18,722 cannot be divided by just 1 and 18,722, it is not a prime number.